Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kisters.de
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 03:46:08 UTC · ↺ Refresh
MX Hostnames
- de-smtp-inbound-2.mimecast.com
- de-smtp-inbound-1.mimecast.com
MX Priorities
- de-smtp-inbound-2.mimecast.com: 10
- de-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 161.51.255.150 ↩ prx2.kisters.de
Mail Server IPs
- 194.104.108.22 ↩ de-smtp-inbound-1.mimecast.com
- 194.104.110.22 ↩ de-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns3.domaindiscount24.net tech.key-systems.net 2026033933 10800 3600 604800 28800
Primary NS (mname)
ns3.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2026033933
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns2.domaindiscount24.net
ns3.domaindiscount24.net
ns1.domaindiscount24.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.23.163.103 ip4:161.51.255.160 ip4:193.23.163.113 include:spf.protection.outlook.com include:agenturserver.de include:de._netblocks.mimecast.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
11 records- MS=ms72264800
- miro-verification=448ecfea3dd6fa0847c27bd9fdea79aaeeae8972
- globalsign-domain-verification=26FA97FC93A9B246B15CB3DE7D0C9613
- SPFv=spf1 ip4:193.23.163.103 ip4:161.51.255.160 ip4:193.23.163.113 include:spf.protection.outlook.com include:agenturserver.de include:de._netblocks.mimecast.com -all
- globalsign-domain-verification=o3I9s2e93ngtJ39YErrMBnNaJ3N7wTwInDQgERA2T9
- wg6gxgqzrhfv6b21b7zj52l57vdywymh
- apple-domain-verification=PkMilckHCsavutsW
- atlassian-domain-verification=36RvHUffTWZj9w8FQF7iutfQsYbPRaSN8ulUao1fQEuavaEhpIJqUKc39eYg3j7u
- rhvyk9hlnngx9gs3xgq0rh4lvzy2klkd
- _oafesikfgn1fp395t4kss4mn9lojq04
- have-i-been-pwned-verification=dweb_4xtqjthjrjkfymyt6egr6c25
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